The Detroit Lions have fired offensive coordinator Mike Martz and promoted offensive line coach Jim Colleto and wide receivers coach Kippy Brown to run the offense in his place, a source in the organization told ESPN's Chris Mortensen.

Colleto will be named offensive coordinator and remain as the offensive line coach, while Brown is being promoted to assistant head coach and passing game coordinator, and will also serve as running backs coach.

In other changes, the Lions promoted Shawn Jefferson from offensive assistant to wide receivers coach and fired Martz's son, Tim Martz, as an offensive assistant.

On Sunday, after their season ended with a loss to the Green Bay Packers, members of the Lions offense said the blame should be on them.

"You can keep changing coaches, but every time you change them that's a new system,'' said quarterback Jon Kitna. "The reality is, the games that we lost, the majority, the times that things didn't go right, it was self-inflicted stuff.

"It wasn't a coaching thing where you were outcoached or they weren't putting you in a position to be successful. There were plays to be made, and we didn't make them for whatever reason that is.''

However, Martz is not expected to be out of work for long. According to media reports, the San Francisco 49ers will seek him out as a replacement for current offensive coordinator Jim Hostler.

I recall a lot of people clammering for him a couple years back. If you do not want to run the ball in the NFL you might as well go coach a Team like Hawaii because that nonrunning crap is never going to work in the NFL.

Just an FYI, he won't be coming to SF. It's pure speculation and I think they just said that because we fired our OC. Supposedly the guy Nolan is interested in to hire is Chan Gailey, the dude who got fired from the Georgia Tech gig a little bit ago.

Just an FYI, he won't be coming to SF. It's pure speculation and I think they just said that because we fired our OC. Supposedly the guy Nolan is interested in to hire is Chan Gailey, the dude who got fired from the Georgia Tech gig a little bit ago.

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Wasn't Chan Gailey the guy who sold us on the dynamic running skills of Tony Hollings? Just curious.